In this week's TechChat David covers how to properly install pull studs & retention knobs for steep taper toolholders. Improper installation, commonly caused due to over-torqueing during the install, can cause the base of the toolholder to bloat resulting in a number of issues to your spindle, toolholder, or even your workpiece.
Additional Materials:
Proper Torque Values - https://usa.rego-fix.com/rego_torque.pdf
Pull Stud Torque: Cause & Effect - https://youtu.be/rb7V8ucoQaA
Pull Stud Torque: TIR - https://youtu.be/iCTlEcIdMjA
Toolholder Fretting - https://youtu.be/2uqMn-nAItw